New download_log method

[bigcat88]

Ref:

https://docs.nextcloud.com/server/latest/developer_manual/_static/openapi.html#/operations/settings-log_settings-download

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (b9d6050) 99.85% compared to head (0034bda) 99.85%.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #199   +/-   ##
=======================================
  Coverage   99.85%   99.85%           
=======================================
  Files          40       40           
  Lines        4674     4686   +12     
=======================================
+ Hits         4667     4679   +12     
  Misses          7        7           

Files	Coverage Δ
nc_py_api/_session.py	100.00% <100.00%> (ø)
nc_py_api/files/files.py	100.00% <100.00%> (ø)
nc_py_api/nextcloud.py	98.67% <100.00%> (+0.01%)	⬆️